MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38
SHA3-384 hash: c9b22697b1310824e06fda2af531fa04cde449d319f038a9692e28db16000971c7cea70cb32ac874796ee7189d050ab8
SHA1 hash: 04c9480f6d05cede428d6b6561e481fc18a0013d
MD5 hash: 35aad117e9fd6b0fd1242e401ba9bb80
humanhash: green-bulldog-butter-alpha
File name:35aad117e9fd6b0fd1242e401ba9bb80
Download: download sample
Signature Formbook
Create hunting rule
File size:779'264 bytes
First seen:2022-02-17 18:22:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:EDJqUl5VkoRSzesMyIgRD5YHoFjvG9f47kgRJecZeBuG9vsK+b+FeW5ify6c1Yi5:XzPn3Y5F47xbeeTSFRify/6Gy
Threatray 12'465 similar samples on MalwareBazaar
TLSH T109F4AE6632EF1096C7A2EBF20FD9BCBF869AF177120E353931816B5687729408D42375
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242361/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.57439.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
black obfuscated packed
Link:
https://www.filescan.io/uploads/620e92a3ac8ad0468b4cdc41/reports/8ad20965-d601-4c4e-a76e-0f623f851517/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2be26d98-e67b-4f50-be2e-dfc19d83073b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941816
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 574302 Sample: zxGlRhLtpU Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 35 www.cbd-cannabis-store.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 10 other signatures 2->49 10 zxGlRhLtpU.exe 3 2->10         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\zxGlRhLtpU.exe.log, ASCII 10->33 dropped 61 Tries to detect virtualization through RDTSC time measurements 10->61 63 Injects a PE file into a foreign processes 10->63 14 zxGlRhLtpU.exe 10->14         started        17 zxGlRhLtpU.exe 10->17         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 19 chkdsk.exe 14->19         started        22 explorer.exe 14->22 injected 25 autoconv.exe 14->25         started        27 autofmt.exe 14->27         started        process9 dnsIp10 51 Self deletion via cmd delete 19->51 53 Modifies the context of a thread in another process (thread injection) 19->53 55 Maps a DLL or memory area into another process 19->55 57 Tries to detect virtualization through RDTSC time measurements 19->57 29 cmd.exe 1 19->29         started        37 parkingpage.namecheap.com 198.54.117.216, 49805, 80 NAMECHEAP-NETUS United States 22->37 39 certidaoja.com 34.102.136.180, 49811, 49830, 80 GOOGLEUS United States 22->39 41 6 other IPs or domains 22->41 59 System process connects to network (likely due to code injection or exploit) 22->59 signatures11 process12 process13 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 16:10:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
125c8338e7cdf610f8aa3cc58db3e350997597a525f85ef6e81c38cc155a62da
Formbook
1b99d542585cfe7f449e616bb3767a50dd997bdbd9e0aa15724453235cfcb7b7
Formbook
6667380c74ccc01901ae2ae234ca53eba30ab8b27c007ce2b403aefcc11ce871
Formbook
6fe7cb8d05e0efd14937d31beb7ec072791d84020ceddd9ed70bce5b3c9f1aaf
Formbook
8e133618d88f4eb1975953fc0ef639a7192f7fea403f5a777a698a4631f741a6
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
b744ce05ac972c78665248d8ddc39cc6779639233531957d7e93d1970fe42126
Formbook
ccf47d9fd0a0ddce06c265b87f0e2377bb58107c18659ac908b7e3a5731ad081
Formbook
d6a113f33599b8c821531df91dc5cd29501cab9fa911b8844a3447d0991e7362
Formbook
f3a2d8b0fe1ccd8d1deb057efd255a123444b0298e24d0aabe385136580accdc
Formbook
+ 12'455 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/220217-w1gb6sdad7/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
36c8407a17f0e36c5230c7397762a8477f4ad54b441e95416fc65dc29e459096
MD5 hash:
ad4bbe619cf6fe43aa9c79b8efba6594
SHA1 hash:
0346d5e68be3c8213e790462afe0fcf2deb6ad47
Link:
https://www.unpac.me/results/798fd702-7f93-4fae-abf7-9a831e5fd8c7/
SH256 hash:
1a16b89cbb7c5301c6853d3d8752c0d8fda5f678e98596662b63a9252a5f499d
MD5 hash:
9e26845da119179a0e78c53a2ed985a2
SHA1 hash:
b06e4291396f01fe90e60c057394a80586e4339c
Link:
https://www.unpac.me/results/798fd702-7f93-4fae-abf7-9a831e5fd8c7/
SH256 hash:
fb49454ba3c81dc4a01f631b62686672570739a2049062491ed24703d8679f10
MD5 hash:
d19808013790fdbb459f27845689504a
SHA1 hash:
c7efa83ada7edc26feff7fb08dd277654da6b189
Link:
https://www.unpac.me/results/798fd702-7f93-4fae-abf7-9a831e5fd8c7/
SH256 hash:
65f0bce9dc0a9ac44240513d358c8e469e1a57b50b0f9c7d953f6e00bd6861fa
MD5 hash:
905b1dc3e024e593c76ef625223d4412
SHA1 hash:
1929c9f87e67cd623d28aa4d5f58d7ed2b8a067f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/798fd702-7f93-4fae-abf7-9a831e5fd8c7/
Parent samples :
1a92235ec84914d6b63d046bf213887d7c740026e8ed3e1ab3fb73cd061e5a34
15b9254c95a968eda264a52b68c3b315261b7f74a81ce68e4ea25295c160b563
c40915d082a87e80528c90dabc2a8ed32a7f4f7b6eb271a0a48d6cfdbefcae5d
4229b3a610aeed61f70687dd3a4853b2fedf562700a20fdff73d972468a26a02
98726c3f2754514f8cc061a34d0a1ed8de1088e8e4a6668cf1a0620ca73a89d1
66057851f8f534441fd89a161f2df30610f1c44554a209c67c09fee531f6a680
959b7ce61e82bc7f837042b10627c2d87442d52a243eafa8b837419ec0174418
0c14a21116ea3497be0c08563fc63f52b51b48bbab421face0ef44450cf09128
93d19d496e71478cf23769d45f29c123fcf591ba4c12771da2b7639bb7bb5e2e
db737716649c61d231c2f21b7fb84b0bec8a0db615a048b957f292db14c4b468
dc6726c9222c4d86d9d1167ab0a6bea35dfa47f17963aa8e9f15c4fb855069b9
a6e23730cd711af23e7900cbabb871b668d37a74dda0c97d63f3303167861cf5
9774f8078d941b17f5018bf3759bca9e62cfe4714ed55d5bd33737fcbba25ce3
426da9f975cd229fcd3b9abebd158cea9a9b2b4507d66f633c6a6e24b6df1d4a
c084b1885467d1af52d2745101718d4a064f55bef830728002660263482042cb
0bd7b99d07fe9fa76e4cf8b3f093f39c520735206ad6d4a63a8634487bb974b5
a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38
96077c533e59e3b8cf38826e5e37e35f1f2eb44d356eae6575223158b565198e
d8f888158556fe3971ae3904db9268b95c1d7f3ee1991dbd04002e018b65750f
SH256 hash:
a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38
MD5 hash:
35aad117e9fd6b0fd1242e401ba9bb80
SHA1 hash:
04c9480f6d05cede428d6b6561e481fc18a0013d
Link:
https://www.unpac.me/results/798fd702-7f93-4fae-abf7-9a831e5fd8c7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe a5ed452879d2a8707bf07a7008c9e5be3c0cd924f089fa53811bd52a7790be38

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2046526/
Cape
Cape
https://www.capesandbox.com/analysis/242361/

Comments


Avatar
zbet commented on 2022-02-17 18:22:47 UTC

url : hxxp://103.167.92.57/spaceX/vbc.exe